Παραπομπή APA

Stiles, W. (1969). An introduction to the principles of plant physiology (Ed.3.).

Παραπομπή Chicago Style

Stiles, Walter. An Introduction to the Principles of Plant Physiology. Ed.3. London, Methuen, 1969.

Παραπομπή MLA

Stiles, Walter. An Introduction to the Principles of Plant Physiology. Ed.3. 1969.